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-rw-r--r--core/java/android/print/PrintManager.java223
1 files changed, 134 insertions, 89 deletions
diff --git a/core/java/android/print/PrintManager.java b/core/java/android/print/PrintManager.java
index 9e8cfad..c067661 100644
--- a/core/java/android/print/PrintManager.java
+++ b/core/java/android/print/PrintManager.java
@@ -288,6 +288,7 @@ public final class PrintManager {
private void doFinish() {
mDocumentAdapter = null;
mHandler = null;
+ mLayoutOrWriteCancellation = null;
}
private final class MyHandler extends Handler {
@@ -312,10 +313,10 @@ public final class PrintManager {
case MSG_LAYOUT: {
SomeArgs args = (SomeArgs) message.obj;
- final PrintAttributes oldAttributes = (PrintAttributes) args.arg1;
- final PrintAttributes newAttributes = (PrintAttributes) args.arg2;
- final ILayoutResultCallback callback = (ILayoutResultCallback) args.arg3;
- final Bundle metadata = (Bundle) args.arg4;
+ PrintAttributes oldAttributes = (PrintAttributes) args.arg1;
+ PrintAttributes newAttributes = (PrintAttributes) args.arg2;
+ ILayoutResultCallback callback = (ILayoutResultCallback) args.arg3;
+ Bundle metadata = (Bundle) args.arg4;
final int sequence = args.argi1;
args.recycle();
@@ -324,49 +325,15 @@ public final class PrintManager {
mLayoutOrWriteCancellation = cancellation;
}
- mDocumentAdapter.onLayout(oldAttributes, newAttributes,
- cancellation, new LayoutResultCallback() {
- @Override
- public void onLayoutFinished(PrintDocumentInfo info, boolean changed) {
- if (info == null) {
- throw new IllegalArgumentException("info cannot be null");
- }
- synchronized (mLock) {
- mLayoutOrWriteCancellation = null;
- }
- try {
- callback.onLayoutFinished(info, changed, sequence);
- } catch (RemoteException re) {
- Log.e(LOG_TAG, "Error calling onLayoutFinished", re);
- }
- }
-
- @Override
- public void onLayoutFailed(CharSequence error) {
- synchronized (mLock) {
- mLayoutOrWriteCancellation = null;
- }
- try {
- callback.onLayoutFailed(error, sequence);
- } catch (RemoteException re) {
- Log.e(LOG_TAG, "Error calling onLayoutFailed", re);
- }
- }
-
- @Override
- public void onLayoutCancelled() {
- synchronized (mLock) {
- mLayoutOrWriteCancellation = null;
- }
- }
- }, metadata);
+ mDocumentAdapter.onLayout(oldAttributes, newAttributes, cancellation,
+ new MyLayoutResultCallback(callback, sequence), metadata);
} break;
case MSG_WRITE: {
SomeArgs args = (SomeArgs) message.obj;
- final PageRange[] pages = (PageRange[]) args.arg1;
- final FileDescriptor fd = (FileDescriptor) args.arg2;
- final IWriteResultCallback callback = (IWriteResultCallback) args.arg3;
+ PageRange[] pages = (PageRange[]) args.arg1;
+ FileDescriptor fd = (FileDescriptor) args.arg2;
+ IWriteResultCallback callback = (IWriteResultCallback) args.arg3;
final int sequence = args.argi1;
args.recycle();
@@ -376,52 +343,7 @@ public final class PrintManager {
}
mDocumentAdapter.onWrite(pages, fd, cancellation,
- new WriteResultCallback() {
- @Override
- public void onWriteFinished(PageRange[] pages) {
- if (pages == null) {
- throw new IllegalArgumentException("pages cannot be null");
- }
- if (pages.length == 0) {
- throw new IllegalArgumentException("pages cannot be empty");
- }
- synchronized (mLock) {
- mLayoutOrWriteCancellation = null;
- }
- // Close before notifying the other end. We want
- // to be ready by the time we announce it.
- IoUtils.closeQuietly(fd);
- try {
- callback.onWriteFinished(pages, sequence);
- } catch (RemoteException re) {
- Log.e(LOG_TAG, "Error calling onWriteFinished", re);
- }
- }
-
- @Override
- public void onWriteFailed(CharSequence error) {
- synchronized (mLock) {
- mLayoutOrWriteCancellation = null;
- }
- // Close before notifying the other end. We want
- // to be ready by the time we announce it.
- IoUtils.closeQuietly(fd);
- try {
- callback.onWriteFailed(error, sequence);
- } catch (RemoteException re) {
- Log.e(LOG_TAG, "Error calling onWriteFailed", re);
- }
- }
-
- @Override
- public void onWriteCancelled() {
- synchronized (mLock) {
- mLayoutOrWriteCancellation = null;
- }
- // Just close the fd for now.
- IoUtils.closeQuietly(fd);
- }
- });
+ new MyWriteResultCallback(callback, fd, sequence));
} break;
case MSG_FINISH: {
@@ -436,5 +358,128 @@ public final class PrintManager {
}
}
}
+
+ private final class MyLayoutResultCallback extends LayoutResultCallback {
+ private ILayoutResultCallback mCallback;
+ private final int mSequence;
+
+ public MyLayoutResultCallback(ILayoutResultCallback callback,
+ int sequence) {
+ mCallback = callback;
+ mSequence = sequence;
+ }
+
+ @Override
+ public void onLayoutFinished(PrintDocumentInfo info, boolean changed) {
+ final ILayoutResultCallback callback;
+ synchronized (mLock) {
+ callback = mCallback;
+ clearLocked();
+ }
+ if (info == null) {
+ throw new IllegalArgumentException("info cannot be null");
+ }
+ if (callback != null) {
+ try {
+ callback.onLayoutFinished(info, changed, mSequence);
+ } catch (RemoteException re) {
+ Log.e(LOG_TAG, "Error calling onLayoutFinished", re);
+ }
+ }
+ }
+
+ @Override
+ public void onLayoutFailed(CharSequence error) {
+ final ILayoutResultCallback callback;
+ synchronized (mLock) {
+ callback = mCallback;
+ clearLocked();
+ }
+ if (callback != null) {
+ try {
+ callback.onLayoutFailed(error, mSequence);
+ } catch (RemoteException re) {
+ Log.e(LOG_TAG, "Error calling onLayoutFailed", re);
+ }
+ }
+ }
+
+ @Override
+ public void onLayoutCancelled() {
+ synchronized (mLock) {
+ clearLocked();
+ }
+ }
+
+ private void clearLocked() {
+ mLayoutOrWriteCancellation = null;
+ mCallback = null;
+ }
+ }
+
+ private final class MyWriteResultCallback extends WriteResultCallback {
+ private FileDescriptor mFd;
+ private int mSequence;
+ private IWriteResultCallback mCallback;
+
+ public MyWriteResultCallback(IWriteResultCallback callback,
+ FileDescriptor fd, int sequence) {
+ mFd = fd;
+ mSequence = sequence;
+ mCallback = callback;
+ }
+
+ @Override
+ public void onWriteFinished(PageRange[] pages) {
+ final IWriteResultCallback callback;
+ synchronized (mLock) {
+ callback = mCallback;
+ clearLocked();
+ }
+ if (pages == null) {
+ throw new IllegalArgumentException("pages cannot be null");
+ }
+ if (pages.length == 0) {
+ throw new IllegalArgumentException("pages cannot be empty");
+ }
+ if (callback != null) {
+ try {
+ callback.onWriteFinished(pages, mSequence);
+ } catch (RemoteException re) {
+ Log.e(LOG_TAG, "Error calling onWriteFinished", re);
+ }
+ }
+ }
+
+ @Override
+ public void onWriteFailed(CharSequence error) {
+ final IWriteResultCallback callback;
+ synchronized (mLock) {
+ callback = mCallback;
+ clearLocked();
+ }
+ if (callback != null) {
+ try {
+ callback.onWriteFailed(error, mSequence);
+ } catch (RemoteException re) {
+ Log.e(LOG_TAG, "Error calling onWriteFailed", re);
+ }
+ }
+ }
+
+ @Override
+ public void onWriteCancelled() {
+ synchronized (mLock) {
+ clearLocked();
+ }
+ }
+
+ private void clearLocked() {
+ mLayoutOrWriteCancellation = null;
+ IoUtils.closeQuietly(mFd);
+ mCallback = null;
+ mFd = null;
+ }
+ }
}
}
generated by cgit v1.1 at 2025-08-18 07:32:08 +0000